Testing MySQL with “read-only” filesystem

But there is still untouched topic, about read-only mounted file system and how MySQL will act in such condition. In real life, i have encountered such situation that something happened with Linux server and file system suddenly goes to read-only mode.

There was no error message of course because of read-only partition. That’s why we have no chance to detect why MySQL did not start, until we examine OS level issues. In contrast Oracle handles this condition: